package web;

import util.CheckCodeUtil;

import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;
import java.util.Date;

@WebServlet("/checkCodeServlet")
public class checkCodeServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        ServletOutputStream os=resp.getOutputStream();
        String s = CheckCodeUtil.outputVerifyImage(100, 50, os, 4);
        HttpSession session=req.getSession();
        session.setAttribute("s",s);
        System.out.println("验证码："+s+":"+new Date().getTime());
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        this.doGet(req,resp);
    }
}
